135241769 has 4 divisors (see below), whose sum is σ = 145644996. Its totient is φ = 124838544.

The previous prime is 135241741. The next prime is 135241801. The reversal of 135241769 is 967142531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15054400 + 120187369 = 3880^2 + 10963^2 .

It is a cyclic number.

It is not a de Polignac number, because 135241769 - 2¹² = 135237673 is a prime.

It is a super-2 number, since 2×135241769² = 36580672164498722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135241709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5201594 + ... + 5201619.

It is an arithmetic number, because the mean of its divisors is an integer number (36411249).

Almost surely, 2^135241769 is an apocalyptic number.

It is an amenable number.

135241769 is a deficient number, since it is larger than the sum of its proper divisors (10403227).

135241769 is a wasteful number, since it uses less digits than its factorization.

135241769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403226.

The product of its digits is 45360, while the sum is 38.

The square root of 135241769 is about 11629.3494658988. The cubic root of 135241769 is about 513.2988377993.

The spelling of 135241769 in words is "one hundred thirty-five million, two hundred forty-one thousand, seven hundred sixty-nine".